<div class="layui-body layui-form">
    <div class="layui-tab no-margin topTabs" lay-filter="bodyTab" id="topTabs">
        <ul class="layui-tab-title content-tab" id="contentTab">
            <li class="layui-this" lay-id=""><i class="fa fa-home"></i> <cite>后台首页</cite></li>
        </ul>
        <ul class="layui-nav operation-tab">
            <li class="layui-nav-item">
                <a href="javascript:void(0);"><i class="fa fa-cogs" aria-hidden="true"></i> 页面操作</a>
                <dl class="layui-nav-child">
                    <dd><a href="javascript:void(0);" class="refresh refreshThis"><i class="fa fa-refresh" aria-hidden="true"></i>&nbsp;刷新当前</a></dd>
                    <dd><a href="javascript:void(0);" class="closeOtherPage"><i class="fa fa-random" aria-hidden="true"></i>关闭其他</a></dd>
                    <dd><a href="javascript:void(0);" class="closeAllPage"><i class="fa fa-times-circle-o" aria-hidden="true"></i> 关闭全部</a>
                    </dd>
                </dl>
            </li>
        </ul>
        <div class="layui-tab-content childFrame">
            <div class="layui-tab-item layui-show">
                <iframe src="${ctxPath}/blackboard"></iframe>
            </div>
        </div>
    </div>
</div>